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基于CHN的骨龄自动评价方法研究 被引量:7

Research on an Automatic Bone Maturation Evaluation Method Based on CHN
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摘要 研究了基于“中国人手腕骨发育标准CHN法”的骨龄自动评价方法 ,包括手腕骨X射线图像中骨骼边缘的自动提取和骨骼成熟度的自动分级 应用活动形状模型 (activeshapemodels,ASM) ,结合了特定的先验知识 ,提出多模板多训练集的方案 ,改善了边缘检测的效果 ;通过考察一系列形状几何信息并结合灰度信息 ,将CHN标准中有关的文字描述转化为数字特征 ,采取多层次分步骤的方法用于最终的骨龄自动评价 In this paper, an automatic bone maturation evaluation method based on 'Chinese wrist bone maturation standard CHN' is studied, with emphasis on automatic edge detection in a hand X radiographic image and automatic bone maturation classification A knowledge based ASM(active shape model) with multiple masks and training sets is proposed and the effect of edge detection is improved Some formula of CHN is translated into digital features by combining shape and gray level information, and a hierarchical method is used in final automatic bone evaluation The experiments show that correctness and stability of bone maturation evaluation are improved
出处 《计算机研究与发展》 EI CSCD 北大核心 2003年第7期1049-1056,共8页 Journal of Computer Research and Development
基金 国家基础研究重大项目前期研究专项 ("九七三"计划预研 2 0 0 1CC A0 3 3 0 0 ) 国家"八六三"高技术研究发展计划项目基金( 2 0 0 1AA114 160 ) 北京市自然科学基金重点项目 (D0 70 60 1 0 1) 北京市科委项目 (N0 70 60 1 0 1)
关键词 CHN法 骨龄评价 边缘检测 ASM CHN bone maturation evaluation edge detection active shape model(ASM)
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参考文献9

  • 1.中华人民共和国行业标准TY/T 001-92,中国人手腕骨发育标准CHN法[M].北京:人民体育出版社,1991..
  • 2W W Greulich, S I Pyle. Radiographic Atlas of Skeletal Development of Hand Wrist, 2ed. Palo Alto, CA: Stanford University Press, 1971.
  • 3J M Tanner, R H Whitehouse, W A Marshall et al. Assessment of Skeletal Maturity and Prediction of Adult Height (TW2 Method). New York, NY: Academic, 1975.
  • 4T F Cootes, C J Taylor. Active shape models--Smart snakes. In:Proc of the British Vision Conf. Lodon: Springer-verlag, 1992.266 --275.
  • 5T Cootes, C Taylor, D Cooper et al. Active shape models--Their training and application. Computer Vision and Image Understanding, 1995, 61(1): 38--59.
  • 6Ghassan Hamameh, Rafeef Abu-Gharbieh, Tomas Gustavsson.Review active shape models-part I: Modeling shape and gray level variations. In: Proc of the Swedish Symposium on Image Analysis,SSAB. 1998. http://www, cs. toronto, edu/-- ghassan/chalmers.ts/phd/ecopy/ssab98a, pdf.
  • 7Ghassan Hamameh, Rafeef Abu-Gharbieh, Tornas Gustavsson.Review active shape models-part II: Image search and classification. In: Proc of the Swedish Symposium on Image Analysis, SSAB, 1998. http://www, cs. toronto, edu/-- ghassan/chalmers/phd/ecopy/ssab98b. pdf.
  • 8M Kass, A Witkin, D Terzopoulos. Snakes: Active contour models. In: Proc of the 1st Int'l Conf on Computer Vision.London: IEEE Computer Soc Press, 1987. 259--268.
  • 9Geman, B Jedynak. An active testing model for tracking roads in satellite images. IEEE Trans on Pattern Anal and Machine Intelligence, 1996, 18(1): 1--14.

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